News
MSD Programmable Digital 7 Plus Ignition - Bite In A Box. Drag-Radial Traction Tricks With MSD's Programmable Digital-7 Plus. HOT ROD Staff Writer Dec 11, 2007. See All 6 Photos.
As MSD puts it, the Slew Rate Rev Limiter built into its new PN 7531 Programmable Digital-7 ignition controls traction without being "traction control." ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback